<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
  </head>

  <body>
    <div id="app">
      <cpn2></cpn2>
    </div>

    <script src="../js/vue.js"></script>
    <script>
      // 1.创建第一个组件构造器（子组件）
      const cpnC1 = Vue.extend({
        template: `
				<div>
          <h2>我是组件cpn1</h2>  
					<p>111</p>
        </div>`
      })

      // 2.创建第二个组件构造器（父组件）
      const cpnC2 = Vue.extend({
        template: `
				<div>
          <h2>我是组件cpn1</h2>  
					<p>222</p>
					<cpn1></cpn1>
        </div>`,
        components: {
          cpn1: cpnC1
        }
      })

      // root根组件
      const app = new Vue({
        el: '#app',
        data: {
          message: '你好'
        },
        components: {
          cpn2: cpnC2
        }
      })
    </script>
  </body>
</html>
